Added rewrite rules for commit and file reference

Author: hsbt

recipes/files/etc/apache2/sites-available/git.ruby-lang.org.conf

@@ -18,6 +18,16 @@
 
         TimeOut 300
 
+        RewriteEngine On
+        RewriteCond %{QUERY_STRING} ^id=([0-9a-fA-F]{40})$
+        RewriteRule ^/ruby\.git/commit/?$ https://github.com/ruby/ruby/commit/%1 [R=permanent,L,NE,QSD]
+        RewriteCond %{QUERY_STRING} ^id=([0-9a-fA-F]{40})$
+        RewriteRule ^/ruby\.git/commit/(.*)$ https://github.com/ruby/ruby/blob/%1/$1 [R=permanent,L,NE,QSD]
+        RewriteCond %{QUERY_STRING} ^id=([0-9a-fA-F]{40})$
+        RewriteRule ^/ruby\.git/tree/(.*)$ https://github.com/ruby/ruby/blob/%1/$1 [R=permanent,L,NE,QSD]
+        RewriteCond %{QUERY_STRING} ^id=([0-9a-fA-F]{40})(&showmsg=1)?$
+        RewriteRule ^/ruby\.git/log/(.*)$ https://github.com/ruby/ruby/commits/%1/$1 [R=permanent,L,NE,QSD]
+
         Alias /cgit-css "/usr/share/cgit/"
         Alias /robots.txt "/var/www/git.ruby-lang.org/robots.txt"